KR20030030308A - Lighting device of traffic signal - Google Patents

Abstract

The present invention relates to a lighting device for a traffic signal, wherein a lens having a predetermined color is formed and a case in which electrical equipment can be installed therein, and installed inside the case and using a Cold Cathode Fluorescent Lamp (CCFL) to emit light. And a socket connected to the light emitting unit and connected to an external power source to supply power to the light emitting unit.

Low cost, low power consumption and long life Cold Cathode Fluorescent Lamps (CCFLs) are used in the light emitting unit to reduce installation costs during initial installation by replacing only the bulbs without changing the structure of traffic signal lighting devices using conventional incandescent bulbs. In addition, the long lifespan not only reduces the cost of replacing and maintaining the light emitting unit, but also reduces the power consumption due to the use of Cold Cathode Fluorescent Lamps (CCFLs), which consume less power.

Description

Lighting device for traffic signals {Lighting device of traffic signal}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for a traffic signal, and in particular, using a Cold Cathode Fluorescent Lamp (CCFL) that has a long life, high luminance, and a low price, a bulb is changed without changing the structure of the lighting device for a conventional traffic signal. By installing a replacement with a fluorescent lamp, it is possible to reduce the installation cost at the initial installation and to reduce the cost of replacement and maintenance due to long life and low power.

Recently, a cold cathode fluorescent lamp (hereinafter referred to as a CCFL), which is widely used as a surface light source for a back light of an LCD (Liquid Crystal Display) or a front light of an IT (Information Technology) field, As shown in FIG. 1, when power is supplied from the outside through the electrode lead wire 2, the ultraviolet electrode 6 collides with the metal electrode 4 emitting electrons and the electrons emitted from the metal electrode 4. And a fluorescent substance (7) for converting the emitted mixed gas (5) and the ultraviolet rays (6) emitted from the mixed gas (5) into visible light, and the metal electrode (4) is nickel (Ni). ) Electrons are emitted by applying a voltage of several hundred to 1.2K volts (V).

At this time, the mixed gas (5) is composed of mercury (Hg) and argon (Ar) gas (5a, 5b) to generate ultraviolet rays 6 after collision with the electron (4a) emitted from the metal electrode (4). The ultraviolet light 6 is converted into visible light by the fluorescent material 7 to emit light to the outside.

In addition, since the CCFL uses a metal electrode without using a filament, there is less heat problem due to preheating of the filament and the lamp has a long life of 20,000 to 30,000 hours.

Figure 2a is a front view showing a first traffic signal lighting apparatus according to the prior art, Figure 2b is a side view showing a first traffic signal lighting apparatus according to the prior art, Figure 2c is a first view according to the prior art FIG. 2D is an exploded perspective view showing a first traffic signal lighting apparatus according to the related art.

The first traffic signal lighting apparatus according to the related art includes a lens 11 having a set color, a reflector 13 positioned behind the lens 11 and in which electrical equipment can be installed, and the lens 11. ) And the reflector 13 to be coupled to the reflector 13, the light bulb 14 is installed inside the reflector 13 to emit light when power is applied, and connected to the light bulb 14 And a socket 15 for supplying power to the bulb 14.

Here, the bulb 14 is an incandescent bulb is used, the reflector 13 serves to increase the brightness and efficiency of the light emitted from the bulb 14, the light of the bulb 14 Brightness and efficiency are increased by the reflector 13 and are emitted to the outside according to the color of the lens 11.

The lighting device for the first traffic signal as described above uses a low-cost incandescent light bulb, which requires less installation cost during initial installation and only replaces the light bulb when a defect occurs, while the light bulb has a short life of 4,000 hours. There is a problem in that the power consumption is high because the cost of maintenance and repair of the power consumption increases and 100 watts (W) per hour is consumed.

Figure 3a is a front view showing a second traffic signal lighting device according to the prior art, Figure 3b is a side view showing a second traffic signal lighting device according to the prior art, Figure 3c is a second view according to the prior art FIG. 3D is an exploded perspective view of a second traffic signal lighting apparatus according to the prior art.

According to the related art, the second traffic signal lighting apparatus according to the related art has a first lens 31 having a set color and a second lens installed behind the first lens 31 and made of a transparent material. 32, an LED unit 35 for emitting light by an external power source, an enclosure 34 for allowing the LED unit 35 to be installed therein, the first lens 31, and the second lens. It consists of a housing 33 to allow the lens 32 and the enclosure 34 to be coupled, the LED unit 35 has an inverter unit for converting the external power into a power suitable for the LED unit 35 ( 36) is formed.

Here, the LED unit 35 is equipped with a plurality of high-brightness LED that emits light when the power is supplied, the combination of the LED unit 35 and the inverter unit 36 is shown in Figure 4, the The LED unit 35 is connected to the connector 36a formed in the inverter unit 36 through a cable.

On the other hand, the plurality of high-brightness LED mounted on the LED unit 35 has a long life of 50,000 hours, so the cost of maintenance is low, high luminance, and power consumption of 12 to 16 watts (W) per hour is consumed. This feature is small.

However, the second traffic signal lighting apparatus as described above has a problem in that the installation cost increases during initial installation because the structure of the conventional traffic signal lighting apparatus must be changed in order to install the LED unit in which a plurality of expensive LEDs are mounted.

In addition, since the LED unit and the inverter unit are made of a separate type, there is a problem in that the structure is complicated because protection mechanisms must be installed to prevent damage to the LED unit and the inverter unit.

The present invention has been made to solve the above-mentioned problems of the prior art, the purpose of the initial installation by replacing the light bulb for CCFL (Cold Cathode Fluorescent Lamp) without changing the structure of the traffic signal lighting device using the conventional incandescent bulb Reduce costs and reduce installation and maintenance costs with Cold Cathode Fluorescent Lamps (CCFLs) that offer low power consumption, high brightness and long life.

1 is a configuration diagram showing the configuration of a typical CCFL;

2a to 2d is a view showing a first traffic signal lighting apparatus according to the prior art,

3a to 3d is a view showing a second traffic signal lighting apparatus according to the prior art,

4 is a configuration diagram showing a light emitting unit and an inverter unit of the second traffic signal lighting apparatus according to the related art;

5a to 5d is a view showing a traffic signal lighting apparatus according to the present invention,

6 is a configuration diagram showing a light emitting portion of a traffic signal lighting apparatus according to the present invention;

7 is a configuration diagram showing a light emitting unit and an inverter unit of the traffic signal lighting apparatus according to the present invention;

8 is a top view showing a light emitting part of a traffic signal lighting apparatus according to the present invention;

9 is a bottom view of the light emitting unit of the traffic signal lighting apparatus according to the present invention.

<Explanation of symbols on main parts of the drawings>

51: base 52: cover

53: globe 53a: fever groove

54: CCFL55: binding plate

56: inverter

According to a feature of the traffic signal lighting apparatus according to the present invention for solving the above problems, a case having a lens having a set color is formed and the electrical equipment is installed therein, and a light emitting unit installed in the case to emit light; And a socket connected to the light emitting unit and connected to an external power source to supply power to the lamp.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 5a is a front view showing a traffic signal lighting apparatus according to the present invention, Figure 5b is a side view showing a traffic signal lighting apparatus according to the present invention, Figure 5c is a rear view showing a traffic signal lighting apparatus according to the present invention 5d is an exploded perspective view showing a traffic signal lighting apparatus according to the present invention.

The traffic signal lighting apparatus according to the present invention includes a lens 41 having a set color, a reflector 43 for installing electrical components therein, and a light emitting unit 44 installed inside the reflector 43 to emit light. And a socket 45 coupled to the light emitting unit 44 to supply external power, and a housing 42 to allow the lens 41 and the reflector 43 to be coupled thereto. 43 serves to increase the brightness and efficiency of light emitted from the light emitting unit 44.

Here, the lens 41 is a traffic signal color, and may be formed of red, yellow, and blue colors, and the light emitting part 44 has a screw shape, as shown in FIG. 6, and the socket 45 is formed. Coupled to the base 51 to supply external power, a Cold Cathode Fluorescent Lamp (CCFL) 54 that emits light by the power supplied from the base 51, and supplied through the base 51. Inverter 56 is configured to convert the power to be suitable for the Cold Cathode Fluorescent Lamp (CCFL), and the Cold Cathode Fluorescent Lamp (CCFL) 54 is further formed by using a plurality of Cold Cathode Fluorescent Lamps (CCFLs). High luminance can be generated.

In addition, the light emitting unit 44 is connected to the base 51 and prevents damage of the inverter unit 56, and the cover 52 is coupled to the CCFL (Cold Cathode Fluorescent Lamp) A plurality of heat generating grooves 53a made of a transparent material to prevent breakage of the 54 and dissipating heat generated from the cold cathode fluorescent lamp (CCFL) 54 to one side connected to the cover 52 to the outside The formed globe 53 and the coupling plate 55 may be integrally formed with the cover 52 and the globe 53.

In this case, the CCFL 54 is integrally formed through the inverter plate 56 and the soldering 54a through the coupling plate 55 as shown in FIG. 7.

Meanwhile, as illustrated in FIG. 8, the cover 52 includes a plurality of covers so that heat generated from the inverter unit 56 may be discharged to the outside of the cover 52 connected to the base 51. A heat generating hole 52a is formed, and the globe 53 has external heat generated from the cold cathode fluorescent lamp (CCFL) on the other side connected to the cover 52 as illustrated in FIG. 9. A plurality of heat generating holes (53b, 53c) to be discharged to are formed.

The plurality of heat generating grooves and the heat generating holes 53a, 53b, and 53c may be changed in position and number depending on the use of the light emitting unit 44 and the user's selection.

Since the light emitting unit 44 consumes 7 to 14 watts (W) of power per hour using a Cold Cathode Fluorescent Lamp (CCFL), 70 to 90% of the power is saved compared to a conventional incandescent bulb, and in particular, Since the service life is 20,000 to 30,000 hours, not only the cost of maintenance is reduced, but also the cost is lower than that of LED, so the installation cost is reduced during the initial installation.In addition to the traffic signal lighting device, the kitchen, entrance, government offices, etc. Incandescent bulbs can be used as it is directly connected to the socket used, can be used as direct and indirect lighting depending on the application.

The traffic signal lighting device of the present invention configured as described above replaces only the light bulb with a low cost, low power consumption and long life without changing the structure of the conventional traffic signal lighting device using an incandescent light bulb (CCFL) (Cold Cathode Fluorescent Lamp) By using it, it is possible to reduce the installation cost consumed during the initial installation, and the long lifespan reduces the cost of replacement and maintenance.

In addition, since a low power consumption uses a Cold Cathode Fluorescent Lamp (CCFL), there is an effect that the cost is reduced accordingly.

Claims (7)

A case in which a lens having a predetermined color is formed to install the electrical equipment therein; A light emitting unit installed inside the case to emit light; And a socket coupled to the light emitting unit and connected to an external power source to supply power to the light emitting unit. According to claim 1, The light emitting unit is made of a screw shape and the base coupled to the socket; A lamp that emits light by power supplied through the base; Lighting device for a traffic signal, characterized in that configured to convert the power supplied through the base to be suitable for the lamp. The method of claim 2, The light emitting unit may be mounted to a socket in which an incandescent bulb is used, and may be used as direct and indirect lighting according to the use of the light emitting unit. The method of claim 2, The light emitting unit is a globe made of a transparent material to prevent breakage of the lamp and to emit light; A cover coupled to the globe and preventing damage to the inverter unit; It further comprises a coupling plate for allowing the globe (Globe) and the cover to be coupled, The globe (Globe) and the cover is a traffic signal lighting apparatus, characterized in that formed integrally through the coupling plate. The method of claim 2, The lamp is used CCFL (Cold Cathode Fluorescent Lamp), The CCFL (Cold Cathode Fluorescent Lamp) is formed in a spiral (spiral type) is a traffic signal lighting device, characterized in that formed integrally through the soldering process with the inverter unit. The method of claim 4, wherein The globe may include a plurality of heat generating grooves for dissipating heat generated from the lamp on one side of which is coupled to the cover; Lighting device for a traffic signal further comprises a plurality of heating holes formed on the other side of the globe (Globe). The method of claim 4, wherein The cover is a traffic signal lighting device, characterized in that a plurality of heating holes are formed on the side connected to the base.